[Linux-Xtensa] Re: [tensilicausers] Re: Linux porting onto theXtensa ISS platform.

linux-xtensa at linux-xtensa.org linux-xtensa at linux-xtensa.org
Mon Aug 18 05:34:56 PDT 2008

Hi, Marc,

Because the compiled image file is too big to be sent to maillist. I
have created a webpage and put details about my making processor into
that page. At the end, there is a "files" button. By clicking this
button, you can access the image.elf, vmlinux and gdb log.
The webpage address is
Thanks a lot.

Best regards,

On Wed, Jul 30, 2008 at 9:13 PM,  <linux-xtensa at linux-xtensa.org> wrote:
> Hi Hao,
> Hao Shen wrote:
>> Hi, Marc,
>> I would like to provide you more information and I'm really appreciate
>> your help.
>> My environment is Xtensa configuration overlay of RB-2008.3 release. I
>> use LX2.1 core with XEA2: Full MMU with TLBs support.
>> For building process, I follow the Buildroot_Build_Instructions.
>> After cross compilation, I got two tool chains which are "xtensa_<my
>> configure name>-linux-" and "xtensa_<my configure
>> name>-linux-uclibc-". I think both glibc and uclibc can well support
>> the kernel compilation, is it true?
> The two toolchains are synonyms, they are both uClibc.
> (The kernel could indeed be built with a glibc toolchain but that's
> not supported just now.  buildroot isn't designed/setup to build glibc.)
>> For the kernel, I use the snapshot of linux-xtensa-20080711.tar.gz ---
>> Latest Version.
> Good.
>> For running, I use Image.elf as Buildroot_Build_Instructions. But
>> during the xt-gdb, I can not even reach the _ResetVector and reset
>> function. At the end of kernel compilation, I got following warnings:
> I think the warnings are normal (they ought to be fixed but I haven't
> ever seen them be a sign of any problems, certainly not that early).
> Perhaps a full log of your xt-gdb session, or a copy of your Image.elf,
> may be more helpful.
> Thanks,
> -Marc
>> WARNING: vmlinux.o(.text+0x3a98): Section mismatch: reference to
>> .init.text:__alloc_bootmem (between '__invalidate_dcache_all' and
>> '__simc')
>> WARNING: vmlinux.o(.text+0x24): Section mismatch: reference to
>> .init.text:init_arch before '_startup' (at offset -0x804f77d4084aa80)
>> WARNING: vmlinux.o(.text+0x28): Section mismatch: reference to
>> .init.text:start_kernel before '_startup' (at offset
>> -0x804f77d4084aa80)
>> WARNING: vmlinux.o(.taglist+0x4): Section mismatch: reference to
>> .init.text:set_reset_devices (between '__tagtable_parse_tag_cmdline'
>> and '__tagtable_parse_tag_initrd')
>> WARNING: vmlinux.o(.taglist+0xc): Section mismatch: reference to
>> .init.text:set_reset_devices (between '__tagtable_parse_tag_initrd'
>> and '__tagtable_parse_tag_mem')
>> WARNING: vmlinux.o(.taglist+0x14): Section mismatch: reference to
>> .init.text:set_reset_devices (after '__tagtable_parse_tag_mem')
>> Need more details?
>> Best regards,
>> Hao SHEN
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Hao Shen

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